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Optimization of Saccharification of Corn Stalks by Ammonia-Pretreatment
Pages: 77-80
Year: Issue:  5
Journal: Journal of Chongqing Normal University(Natural Sci

Keyword:  玉米秸秆 氨水 还原糖得率 木质素去除率;
Abstract: 采用氨水预处理的单因素与正交试验,研究氨水浓度、时间、温度、基质浓度和粒径对玉米秸秆糖化预处理的影响。结果表明:影响氨预处理玉米秸秆的还原糖得率的主要因素是粒径,而影响木质素去除率的主要因素是氨水浓度、浸泡时间和浸泡温度,其最优工艺条件为氨水浓度15%,时间39 h,温度40℃,基质浓度162.5 g.L-1,粒径0.5 mm。在此条件下的预处理还原糖得率为3.23%,木质素去除率为61.20%。
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